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Finding the Fourth Proportional to 295,899.90, 443,485.35 and 201,129.90

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Solution

The fourth proportional to 295,899.90, 443,485.35 and 201,129.90 is: 301,447.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,899.90 : 443,485.35 = 201,129.90 : x
  2. Step 2: Convert to fraction form
    295,899.90/443,485.35 = 201,129.90/x
  3. Step 3: Cross multiply
    295,899.90x = 443,485.35 × 201,129.90
  4. Step 4: Simplify right side
    295,899.90x = 89,198,164,096.97
  5. Step 5: Solve for x
    x = 89,198,164,096.97/295,899.90
  6. Step 6: Final answer
    x = 301,447.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.